In 2007 Peter wrote a highly acclaimed large-scale work for the BBC Proms entitled, ‘He is armoured without’ for the BBC Philharmonic Orchestra, musicians from Uzbekistan, the Coldstream Guards, 80 other brass players and solo trumpet and trombone (Torbjorn Hultmark and David Purser) in a staged performance. This was shortlisted for the Royal Philharmonic Society large-scale composition prize.